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Differences What are the advantages of each

Front view of Intel Core2 Quad Q9550

Reasons to consider the
Intel Core2 Quad Q9550

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Much more l2 cache 12 MB vs 2 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Higher clock speed 2.83 GHz vs 2.4 GHz Around 20% higher clock speed
Much better overclocked clock speed (Air) 3.99 GHz vs 2.4 GHz More than 65% better overclocked clock speed (Air)
Significantly higher Maximum operating temperature 71.4 °C vs 55 °C Around 30% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.03 GHz vs 2.4 GHz Around 70% better overclocked clock speed (Water)
Front view of AMD Opteron 8379 HE

Reasons to consider the
AMD Opteron 8379 HE

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much lower typical power consumption 44.69W vs 77.19W More than 40% lower typical power consumption
Much lower annual home energy cost 13.25 $/year vs 22.89 $/year More than 40% lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 83.22 $/year More than 40% lower annual commercial energy cost
Newer Apr, 2009 vs Jan, 2008 Release date over 1 years later

Features Key features of the Core2 Quad Q9550  vs Opteron 8379 HE 

clock speed

L2 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Core2 Quad Q9550  vs
Opteron 8379 HE 
Clock speed 2.83 GHz 2.4 GHz
Cores Quad core Quad core
Socket type
LGA 775
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 55W
Annual home energy cost 22.89 $/year 13.25 $/year
Annual commercial energy cost 83.22 $/year 48.18 $/year
Typical power consumption 77.19W 44.69W

bus

Architecture FSB HyperTransport 3.0
Clock speed 1,333 MHz 2,000 MHz

details

Core2 Quad Q9550  vs
Opteron 8379 HE 
Threads 4 4
L2 cache 12 MB 2 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 8
Clock multiplier 8 12
Voltage range 0.85 - 1.36V 1.32 - UnknownV
Operating temperature Unknown - 71.4°C 0 - 55°C

overclocking

Overclocked clock speed 3.99 GHz 2.4 GHz
Overclocked clock speed (Water) 4.03 GHz 2.4 GHz
Overclocked clock speed (Air) 3.99 GHz 2.4 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Core2 Quad Q9550
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AMD Opteron 8379 HE
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